fix line below header

IPython/frontend/html/notebook/static/js/page.js

@@ -1,59 +1,59 b''
 //----------------------------------------------------------------------------
 //  Copyright (C) 2008-2011  The IPython Development Team
 //
 //  Distributed under the terms of the BSD License.  The full license is in
 //  the file COPYING, distributed as part of this software.
 //----------------------------------------------------------------------------
 
 //============================================================================
 // Global header/site setup.
 //============================================================================
 
 var IPython = (function (IPython) {
 
     var Page = function () {
         this.style();
         this.bind_events();
     };
 
     Page.prototype.style = function () {
         $('div#header').addClass('border-box-sizing').
-            addClass('ui-widget').
+            addClass('ui-widget-content').
             css('border-top-style','none').
             css('border-left-style','none').
             css('border-right-style','none');
         $('div#site').addClass('border-box-sizing')
     };
 
 
     Page.prototype.bind_events = function () {
     };
 
 
     Page.prototype.show = function () {
         // The header and site divs start out hidden to prevent FLOUC.
         // Main scripts should call this method after styling everything.
         this.show_header();
         this.show_site();
     };
 
 
     Page.prototype.show_header = function () {
         // The header and site divs start out hidden to prevent FLOUC.
         // Main scripts should call this method after styling everything.
         $('div#header').css('display','block');
     };
 
 
     Page.prototype.show_site = function () {
         // The header and site divs start out hidden to prevent FLOUC.
         // Main scripts should call this method after styling everything.
         $('div#site').css('display','block');
     };
 
 
     IPython.Page = Page;
 
     return IPython;
 
 }(IPython));